<!DOCTYPE html>
<html>
<head>
   <link href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet" />
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
   <script type="text/javascript">
      Ext.onReady(function() {


         Ext.create('Ext.form.Panel', {
            id: 'newForm',
            renderTo: 'formId',
            border: true,
            width: 600,
            items: [{
               xtype: 'textfield',
               fieldLabel: 'Text Field'
            },{
               xtype: 'displayfield',
               fieldLabel: 'Display Field'
            },{
               xtype: 'textarea',
               fieldLabel: 'Text Area'
            },{
               xtype: 'datefield',
               fieldLabel: 'Date picker'
            },{
               xtype: 'button',
               text: 'Button'
            },{
               xtype: 'fieldcontainer',
               fieldLabel: 'Radio field',
               defaultType: 'radiofield',
               defaults: {
                  flex: 1
               },
               layout: 'hbox',
               items: [{
                  boxLabel: 'A',
                  inputValue: 'a',
                  id: 'radio1'
               },{
                  boxLabel: 'B',
                  inputValue: 'b',
                  id: 'radio2'
               },{
                  boxLabel: 'C',
                  inputValue: 'c',
                  id: 'radio3'
               }]
            },{
               xtype: 'fieldcontainer',
               fieldLabel: 'Check Box Field',
               defaultType: 'checkboxfield',
               items: [{
                  boxLabel: 'HTML',
                  inputValue: 'html',
                  id: 'checkbox1'
               },{
                  boxLabel: 'CSS',
                  inputValue: 'css',
                  checked: true,
                  id: 'checkbox2'
               },{
                  boxLabel: 'JavaScript',
                  inputValue: 'js',
                  id: 'checkbox3'
               }]
            },{
               xtype: 'hiddenfield',
               name: 'hidden field ',
               value: 'value from hidden field'
            },{
               xtype: 'numberfield',
               anchor: '100%',
               fieldLabel: 'Numeric Field',
               maxValue: 99,
               minValue: 0
            },{
               xtype: 'spinnerfield',
               fieldLabel: 'Spinner Field',
               step: 6,
               // override onSpinUp (using step isn't neccessary)
               onSpinUp: function() {
                 var me = this;
                 if (!me.readOnly) {
                     var val = me.step; // set the default value to the step value
                     if(me.getValue() !== '') {
                         val = parseInt(me.getValue().slice(0, -5)); // gets rid of " Pack"
                     }                          
                     me.setValue((val + me.step) + ' Pack');
                 }
               },

               // override onSpinDown
               onSpinDown: function() {
                 var me = this;
                 if (!me.readOnly) {
                     if(me.getValue() !== '') {
                         val = parseInt(me.getValue().slice(0, -5)); // gets rid of " Pack"
                     }            
                     me.setValue((val - me.step) + ' Pack');
                 }
               }
            },{
               xtype: 'timefield',
               fieldLabel: 'Time field',
               minValue: '6:00 AM',
               maxValue: '8:00 PM',
               increment: 30,
               anchor: '100%'
            },{
               xtype: 'combobox',
               fieldLabel: 'Combo Box',
               store: Ext.create('Ext.data.Store', {
                        fields: ['abbr', 'name'],
                        data: [{
                           'abbr': 'HTML',
                           'name': 'HTML'
                        },{
                           'abbr': 'CSS',
                           'name': 'CSS'
                        },{
                           'abbr': 'JS',
                           'name': 'JavaScript'
                        }]
                     }),
               valueField: 'abbr',
               displayField: 'name'
            },{
               xtype: 'filefield',
               fieldLabel: 'File field',
               labelWidth: 50,
               msgTarget: 'side',
               allowBlank: false,
               anchor: '100%',
               buttonText: 'Select File...'
            }]
         });
      });
   </script>
</head>
<body>
   <div id = "formId"></div>
</body>
</html>